Powertrain Control Module Replacement/Programming. Chevrolet PJJ 2000

For 1990-2009 cars

The replacement PCM must be reprogrammed and the crankshaft position system variation learn procedure must be performed. Refer to the following procedures:

• | Latest Techline information on PCM re-programming

• | Crankshaft Position System Variation Learn

• | Password Learn

See the Introduction in Powertrain Control Module Description using the diagnostic functions of the PCM.